Differences between color modes in PS

RGB color mode: (also translated as "Red, green, and blue", which is rarely used) is a color standard in the industry, through the red (R), Green (G), blue (B) the changes of the three color channels and their overlapping to obtain a variety of colors, RGB represents the colors of the red, green, and blue channels, this standard covers almost all colors that human vision can perceive and is one of the most widely used color systems.

CMYK represents four colors used for printing. c Represents cyan, m represents Magenta, Y represents yellow, and K represents Black.

[R, G, B] color adding mode, the color is brighter and brighter. Red + Green = yellow green + Blue = blue + Blue = red. [C, M, Y, K] fading mode. The colors become darker and darker. Green + product = green + yellow = red + Green = green. Turn to the three primary colors of RGB color cmy.

Index color:It is a bitmap image encoding method. It must be based on more basic color encoding methods such as RGB and CMYK. You can achieve lossy compression by limiting the total number of colors in the image.

Lab definition:RGB mode is a color-adding mode that defines the most colors for a luminous screen. It is independent of light and equipment, and the processing speed is as fast as RGB mode, which is much faster than CMYK mode.

Mode: CMYK mode is a color reflective printing mode. The lab model does not depend on light or paint. It is a theoretical color model determined by CIE that includes all colors visible to the human eye. Lab mode composition.

Differences between color modes in PS